MCQOPTIONS
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MCQOPTIONS
| 1. |
sin-1 x in terms of cos-1 is ____________ |
| A. | cos<sup>-1</sup> u2061 ( sqrt{1+x^2} ) |
| B. | cos<sup>-1</sup> u2061 ( sqrt{1-x^2} ) |
| C. | cos<sup>-1</sup> u2061x |
| D. | cos<sup>-1</sup> ( frac{ u20611}{x} ) |
| Answer» C. cos<sup>-1</sup> u2061x | |